Do You Need a Baby Monitor? (And Which Kind, Honestly)

A baby monitor extends your ears (and optionally your eyes) to a room you are not in. That is the entire function, and it is genuinely useful in specific layouts: a house where the bedroom is upstairs and the evening happens downstairs, a garden you cannot hear the nursery from, a thick-walled flat conversion, naps while the washing machine runs.

It follows that the need is architectural. If your home is small enough that a crying baby reaches you unaided, a monitor adds nothing except a second speaker for the crying. Plenty of families in one-floor flats never buy one and miss nothing; plenty in three-storey terraces would describe theirs as essential. Walk your home at nap time with a radio playing in the cot room at talking volume, and you will know which family you are.

What a monitor is not for is watching a baby instead of checking on one, and especially not for guaranteeing a baby’s breathing. That last claim has a section of its own, because the marketing around it deserves direct handling.

A slice of this market sells breathing sensors, movement pads and oxygen-reading socks on the implied promise that they protect against sudden infant death syndrome. The evidence says otherwise, and the bodies who would know say it plainly. The American Academy of Pediatrics states that home cardiorespiratory monitors have not been shown to reduce SIDS and does not recommend them for that purpose. The Lullaby Trust, the UK’s safer-sleep charity, says a monitor cannot prevent SIDS and must never replace safe sleep practice or adult supervision.

Telling detail: the Lullaby Trust does supply movement monitors, as medical devices, through its CONI programme supporting bereaved families having another baby, under professional supervision. That is the context in which this equipment has a place: clinical, supported, specific. It is not a consumer gadget category.

What actually reduces SIDS risk costs nothing: baby on their back for every sleep, a clear flat sleep space with no pillows, duvets or bumpers, the baby in your room for the first 6 months, and a smoke-free home. If you were budgeting monitor money for safety, it is already covered by the free list, and the monitor budget can buy convenience instead, honestly labelled.

NHS and Lullaby Trust guidance is that your baby sleeps in the same room as you, for every sleep including daytime naps, for the first 6 months. Done properly, that makes a monitor partly redundant in exactly the period when most get bought: the baby is next to you at night and near you by day.

Where it earns its keep in those months is the gaps: evening, when the baby goes up at seven and you do not, and naps in another room while you work or cook. If that describes your routine, buy one before the birth by all means. If your baby naps in the living room and you are home all evening anyway, you can comfortably wait and see whether the need ever materialises, which is the cheapest monitor strategy there is.

The move to their own room at around 6 months is when a monitor becomes a near-default purchase for most homes, and also when you will know exactly what you need: audio is plenty for a baby who announces everything, video pays off for a quiet waker or a toddler who needs watching rather than hearing.

Audio monitors are the honest baseline: a one-job radio that relays sound. Cheap, reliable, nothing to configure, and for a baby whose every need arrives at volume, completely sufficient.

Video monitors buy one specific decision: whether to go in. A grizzle on an audio monitor is a mystery that gets you off the sofa; on video you can see the difference between a resettling wriggle and a leg stuck in the cot bars, and stay put for the first one. Parents of light sleepers rate that single feature above everything else in the category, because an unnecessary visit wakes the baby you hoped was resettling.

Smart monitors add app viewing from anywhere, sleep analytics, cry notifications and, frequently, a subscription to unlock the clever parts. The remote viewing is genuinely useful for parents who are out while a sitter is in; the analytics are a taste question, and we would not pay monthly for graphs about a baby we can see. Our baby monitor roundup picks the best of each type, with the subscription catches flagged.

This is the one technical choice with real consequences. A dedicated monitor, meaning a camera talking to its own handheld parent unit over a private radio link, never touches the internet, which makes it essentially unreachable by anyone outside your house. There is nothing to hack remotely, no account to breach, no firmware scandal to follow. Range claims ("up to 300 metres") are best-case line of sight; through UK brick walls expect a fraction, and test it to the kitchen and garden on day one.

A wifi monitor streams through your router and the maker’s cloud, which is what enables viewing from the office, and is also what makes the horror stories possible: internet-connected cameras with weak passwords have been found and browsed by strangers. The risk is real and manageable: set a strong, unique password on the account and the router, switch on two-factor authentication, install firmware updates, and buy from a brand with a security track record rather than the cheapest camera on the marketplace.

The decision rule we give in the roundup: if you will never need to watch from outside the house, the dedicated kind is simpler and categorically more private. If remote viewing matters, buy reputable and secure it properly on day one.

• Breathing and movement monitors bought for SIDS peace of mind. The AAP and Lullaby Trust positions above are the whole story: no evidence of protection, and false alarms at 3am tax exactly the parents the marketing targets. If you have a genuine medical concern about your baby’s breathing, that is a conversation with your GP or health visitor, not a checkout.
• Subscription analytics. Sleep scores and trend graphs for a healthy baby are a monthly fee for anxiety with charts. The live view is the product; check what the app locks away before buying.
• No-name wifi cameras repurposed as baby monitors. The security shortcuts that make a camera cost a third of the brand-name price are invisible until they are a news story. If it streams your nursery to the internet, the maker’s security practices are part of the product.
• Buying for "range" numbers. The metres on the box are line-of-sight figures from a field, not a semi with chimney breasts. Test in your actual house within the return window.
• A second monitor for a second child, reflexively. Many video monitors take an add-on camera on the same parent unit; check yours before buying twice.